1589 lines
38 KiB
JavaScript
1589 lines
38 KiB
JavaScript
import { encode } from '@jridgewell/sourcemap-codec';
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class BitSet {
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constructor(arg) {
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this.bits = arg instanceof BitSet ? arg.bits.slice() : [];
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}
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add(n) {
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this.bits[n >> 5] |= 1 << (n & 31);
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}
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has(n) {
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return !!(this.bits[n >> 5] & (1 << (n & 31)));
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}
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}
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class Chunk {
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constructor(start, end, content) {
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this.start = start;
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this.end = end;
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this.original = content;
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this.intro = '';
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this.outro = '';
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this.content = content;
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this.storeName = false;
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this.edited = false;
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{
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this.previous = null;
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this.next = null;
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}
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}
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appendLeft(content) {
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this.outro += content;
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}
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appendRight(content) {
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this.intro = this.intro + content;
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}
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clone() {
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const chunk = new Chunk(this.start, this.end, this.original);
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chunk.intro = this.intro;
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chunk.outro = this.outro;
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chunk.content = this.content;
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chunk.storeName = this.storeName;
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chunk.edited = this.edited;
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return chunk;
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}
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contains(index) {
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return this.start < index && index < this.end;
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}
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eachNext(fn) {
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let chunk = this;
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while (chunk) {
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fn(chunk);
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chunk = chunk.next;
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}
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}
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eachPrevious(fn) {
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let chunk = this;
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while (chunk) {
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fn(chunk);
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chunk = chunk.previous;
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}
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}
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edit(content, storeName, contentOnly) {
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this.content = content;
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if (!contentOnly) {
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this.intro = '';
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this.outro = '';
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}
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this.storeName = storeName;
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this.edited = true;
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return this;
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}
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prependLeft(content) {
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this.outro = content + this.outro;
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}
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prependRight(content) {
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this.intro = content + this.intro;
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}
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reset() {
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this.intro = '';
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this.outro = '';
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if (this.edited) {
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this.content = this.original;
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this.storeName = false;
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this.edited = false;
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}
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}
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split(index) {
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const sliceIndex = index - this.start;
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const originalBefore = this.original.slice(0, sliceIndex);
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const originalAfter = this.original.slice(sliceIndex);
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this.original = originalBefore;
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const newChunk = new Chunk(index, this.end, originalAfter);
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newChunk.outro = this.outro;
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this.outro = '';
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this.end = index;
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if (this.edited) {
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// after split we should save the edit content record into the correct chunk
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// to make sure sourcemap correct
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// For example:
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// ' test'.trim()
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// split -> ' ' + 'test'
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// ✔️ edit -> '' + 'test'
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// ✖️ edit -> 'test' + ''
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// TODO is this block necessary?...
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newChunk.edit('', false);
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this.content = '';
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} else {
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this.content = originalBefore;
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}
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newChunk.next = this.next;
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if (newChunk.next) newChunk.next.previous = newChunk;
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newChunk.previous = this;
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this.next = newChunk;
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return newChunk;
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}
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toString() {
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return this.intro + this.content + this.outro;
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}
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trimEnd(rx) {
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this.outro = this.outro.replace(rx, '');
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if (this.outro.length) return true;
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const trimmed = this.content.replace(rx, '');
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if (trimmed.length) {
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if (trimmed !== this.content) {
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this.split(this.start + trimmed.length).edit('', undefined, true);
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if (this.edited) {
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// save the change, if it has been edited
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this.edit(trimmed, this.storeName, true);
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}
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}
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return true;
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} else {
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this.edit('', undefined, true);
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this.intro = this.intro.replace(rx, '');
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if (this.intro.length) return true;
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}
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}
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trimStart(rx) {
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this.intro = this.intro.replace(rx, '');
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if (this.intro.length) return true;
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const trimmed = this.content.replace(rx, '');
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if (trimmed.length) {
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if (trimmed !== this.content) {
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const newChunk = this.split(this.end - trimmed.length);
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if (this.edited) {
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// save the change, if it has been edited
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newChunk.edit(trimmed, this.storeName, true);
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}
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this.edit('', undefined, true);
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}
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return true;
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} else {
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this.edit('', undefined, true);
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this.outro = this.outro.replace(rx, '');
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if (this.outro.length) return true;
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}
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}
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}
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function getBtoa() {
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if (typeof globalThis !== 'undefined' && typeof globalThis.btoa === 'function') {
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return (str) => globalThis.btoa(unescape(encodeURIComponent(str)));
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} else if (typeof Buffer === 'function') {
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return (str) => Buffer.from(str, 'utf-8').toString('base64');
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} else {
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return () => {
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throw new Error('Unsupported environment: `window.btoa` or `Buffer` should be supported.');
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};
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}
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}
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const btoa = /*#__PURE__*/ getBtoa();
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class SourceMap {
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constructor(properties) {
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this.version = 3;
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this.file = properties.file;
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this.sources = properties.sources;
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this.sourcesContent = properties.sourcesContent;
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this.names = properties.names;
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this.mappings = encode(properties.mappings);
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if (typeof properties.x_google_ignoreList !== 'undefined') {
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this.x_google_ignoreList = properties.x_google_ignoreList;
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}
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if (typeof properties.debugId !== 'undefined') {
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this.debugId = properties.debugId;
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}
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}
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toString() {
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return JSON.stringify(this);
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}
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toUrl() {
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return 'data:application/json;charset=utf-8;base64,' + btoa(this.toString());
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}
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}
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function guessIndent(code) {
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const lines = code.split('\n');
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const tabbed = lines.filter((line) => /^\t+/.test(line));
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const spaced = lines.filter((line) => /^ {2,}/.test(line));
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if (tabbed.length === 0 && spaced.length === 0) {
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return null;
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}
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// More lines tabbed than spaced? Assume tabs, and
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// default to tabs in the case of a tie (or nothing
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// to go on)
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if (tabbed.length >= spaced.length) {
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return '\t';
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}
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// Otherwise, we need to guess the multiple
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const min = spaced.reduce((previous, current) => {
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const numSpaces = /^ +/.exec(current)[0].length;
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return Math.min(numSpaces, previous);
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}, Infinity);
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return new Array(min + 1).join(' ');
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}
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function getRelativePath(from, to) {
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const fromParts = from.split(/[/\\]/);
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const toParts = to.split(/[/\\]/);
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fromParts.pop(); // get dirname
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while (fromParts[0] === toParts[0]) {
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fromParts.shift();
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toParts.shift();
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}
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if (fromParts.length) {
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let i = fromParts.length;
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while (i--) fromParts[i] = '..';
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}
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return fromParts.concat(toParts).join('/');
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}
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const toString = Object.prototype.toString;
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function isObject(thing) {
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return toString.call(thing) === '[object Object]';
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}
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function getLocator(source) {
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const originalLines = source.split('\n');
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const lineOffsets = [];
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for (let i = 0, pos = 0; i < originalLines.length; i++) {
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lineOffsets.push(pos);
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pos += originalLines[i].length + 1;
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}
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return function locate(index) {
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let i = 0;
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let j = lineOffsets.length;
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while (i < j) {
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const m = (i + j) >> 1;
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if (index < lineOffsets[m]) {
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j = m;
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} else {
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i = m + 1;
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}
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}
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const line = i - 1;
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const column = index - lineOffsets[line];
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return { line, column };
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};
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}
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const wordRegex = /\w/;
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class Mappings {
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constructor(hires) {
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this.hires = hires;
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this.generatedCodeLine = 0;
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this.generatedCodeColumn = 0;
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this.raw = [];
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this.rawSegments = this.raw[this.generatedCodeLine] = [];
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this.pending = null;
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}
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addEdit(sourceIndex, content, loc, nameIndex) {
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if (content.length) {
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const contentLengthMinusOne = content.length - 1;
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let contentLineEnd = content.indexOf('\n', 0);
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let previousContentLineEnd = -1;
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// Loop through each line in the content and add a segment, but stop if the last line is empty,
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// else code afterwards would fill one line too many
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while (contentLineEnd >= 0 && contentLengthMinusOne > contentLineEnd) {
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const segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];
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if (nameIndex >= 0) {
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segment.push(nameIndex);
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}
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this.rawSegments.push(segment);
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this.generatedCodeLine += 1;
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this.raw[this.generatedCodeLine] = this.rawSegments = [];
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this.generatedCodeColumn = 0;
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previousContentLineEnd = contentLineEnd;
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contentLineEnd = content.indexOf('\n', contentLineEnd + 1);
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}
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const segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];
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if (nameIndex >= 0) {
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segment.push(nameIndex);
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}
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this.rawSegments.push(segment);
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this.advance(content.slice(previousContentLineEnd + 1));
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} else if (this.pending) {
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this.rawSegments.push(this.pending);
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this.advance(content);
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}
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this.pending = null;
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}
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addUneditedChunk(sourceIndex, chunk, original, loc, sourcemapLocations) {
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let originalCharIndex = chunk.start;
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let first = true;
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// when iterating each char, check if it's in a word boundary
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let charInHiresBoundary = false;
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while (originalCharIndex < chunk.end) {
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if (original[originalCharIndex] === '\n') {
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loc.line += 1;
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loc.column = 0;
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this.generatedCodeLine += 1;
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this.raw[this.generatedCodeLine] = this.rawSegments = [];
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this.generatedCodeColumn = 0;
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first = true;
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charInHiresBoundary = false;
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} else {
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if (this.hires || first || sourcemapLocations.has(originalCharIndex)) {
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const segment = [this.generatedCodeColumn, sourceIndex, loc.line, loc.column];
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if (this.hires === 'boundary') {
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// in hires "boundary", group segments per word boundary than per char
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if (wordRegex.test(original[originalCharIndex])) {
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// for first char in the boundary found, start the boundary by pushing a segment
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if (!charInHiresBoundary) {
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this.rawSegments.push(segment);
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charInHiresBoundary = true;
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}
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} else {
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// for non-word char, end the boundary by pushing a segment
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this.rawSegments.push(segment);
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charInHiresBoundary = false;
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}
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} else {
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this.rawSegments.push(segment);
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}
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}
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loc.column += 1;
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this.generatedCodeColumn += 1;
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first = false;
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}
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originalCharIndex += 1;
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}
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this.pending = null;
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}
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advance(str) {
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if (!str) return;
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const lines = str.split('\n');
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if (lines.length > 1) {
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for (let i = 0; i < lines.length - 1; i++) {
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this.generatedCodeLine++;
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this.raw[this.generatedCodeLine] = this.rawSegments = [];
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}
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this.generatedCodeColumn = 0;
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}
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this.generatedCodeColumn += lines[lines.length - 1].length;
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}
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}
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const n = '\n';
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const warned = {
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insertLeft: false,
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insertRight: false,
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storeName: false,
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};
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class MagicString {
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constructor(string, options = {}) {
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const chunk = new Chunk(0, string.length, string);
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Object.defineProperties(this, {
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original: { writable: true, value: string },
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outro: { writable: true, value: '' },
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intro: { writable: true, value: '' },
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firstChunk: { writable: true, value: chunk },
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lastChunk: { writable: true, value: chunk },
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lastSearchedChunk: { writable: true, value: chunk },
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byStart: { writable: true, value: {} },
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byEnd: { writable: true, value: {} },
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filename: { writable: true, value: options.filename },
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indentExclusionRanges: { writable: true, value: options.indentExclusionRanges },
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sourcemapLocations: { writable: true, value: new BitSet() },
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storedNames: { writable: true, value: {} },
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indentStr: { writable: true, value: undefined },
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ignoreList: { writable: true, value: options.ignoreList },
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offset: { writable: true, value: options.offset || 0 },
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});
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this.byStart[0] = chunk;
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this.byEnd[string.length] = chunk;
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}
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addSourcemapLocation(char) {
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this.sourcemapLocations.add(char);
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}
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append(content) {
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if (typeof content !== 'string') throw new TypeError('outro content must be a string');
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this.outro += content;
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return this;
|
||
}
|
||
|
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appendLeft(index, content) {
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||
index = index + this.offset;
|
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|
||
if (typeof content !== 'string') throw new TypeError('inserted content must be a string');
|
||
|
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this._split(index);
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|
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const chunk = this.byEnd[index];
|
||
|
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if (chunk) {
|
||
chunk.appendLeft(content);
|
||
} else {
|
||
this.intro += content;
|
||
}
|
||
return this;
|
||
}
|
||
|
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appendRight(index, content) {
|
||
index = index + this.offset;
|
||
|
||
if (typeof content !== 'string') throw new TypeError('inserted content must be a string');
|
||
|
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this._split(index);
|
||
|
||
const chunk = this.byStart[index];
|
||
|
||
if (chunk) {
|
||
chunk.appendRight(content);
|
||
} else {
|
||
this.outro += content;
|
||
}
|
||
return this;
|
||
}
|
||
|
||
clone() {
|
||
const cloned = new MagicString(this.original, { filename: this.filename, offset: this.offset });
|
||
|
||
let originalChunk = this.firstChunk;
|
||
let clonedChunk = (cloned.firstChunk = cloned.lastSearchedChunk = originalChunk.clone());
|
||
|
||
while (originalChunk) {
|
||
cloned.byStart[clonedChunk.start] = clonedChunk;
|
||
cloned.byEnd[clonedChunk.end] = clonedChunk;
|
||
|
||
const nextOriginalChunk = originalChunk.next;
|
||
const nextClonedChunk = nextOriginalChunk && nextOriginalChunk.clone();
|
||
|
||
if (nextClonedChunk) {
|
||
clonedChunk.next = nextClonedChunk;
|
||
nextClonedChunk.previous = clonedChunk;
|
||
|
||
clonedChunk = nextClonedChunk;
|
||
}
|
||
|
||
originalChunk = nextOriginalChunk;
|
||
}
|
||
|
||
cloned.lastChunk = clonedChunk;
|
||
|
||
if (this.indentExclusionRanges) {
|
||
cloned.indentExclusionRanges = this.indentExclusionRanges.slice();
|
||
}
|
||
|
||
cloned.sourcemapLocations = new BitSet(this.sourcemapLocations);
|
||
|
||
cloned.intro = this.intro;
|
||
cloned.outro = this.outro;
|
||
|
||
return cloned;
|
||
}
|
||
|
||
generateDecodedMap(options) {
|
||
options = options || {};
|
||
|
||
const sourceIndex = 0;
|
||
const names = Object.keys(this.storedNames);
|
||
const mappings = new Mappings(options.hires);
|
||
|
||
const locate = getLocator(this.original);
|
||
|
||
if (this.intro) {
|
||
mappings.advance(this.intro);
|
||
}
|
||
|
||
this.firstChunk.eachNext((chunk) => {
|
||
const loc = locate(chunk.start);
|
||
|
||
if (chunk.intro.length) mappings.advance(chunk.intro);
|
||
|
||
if (chunk.edited) {
|
||
mappings.addEdit(
|
||
sourceIndex,
|
||
chunk.content,
|
||
loc,
|
||
chunk.storeName ? names.indexOf(chunk.original) : -1,
|
||
);
|
||
} else {
|
||
mappings.addUneditedChunk(sourceIndex, chunk, this.original, loc, this.sourcemapLocations);
|
||
}
|
||
|
||
if (chunk.outro.length) mappings.advance(chunk.outro);
|
||
});
|
||
|
||
if (this.outro) {
|
||
mappings.advance(this.outro);
|
||
}
|
||
|
||
return {
|
||
file: options.file ? options.file.split(/[/\\]/).pop() : undefined,
|
||
sources: [
|
||
options.source ? getRelativePath(options.file || '', options.source) : options.file || '',
|
||
],
|
||
sourcesContent: options.includeContent ? [this.original] : undefined,
|
||
names,
|
||
mappings: mappings.raw,
|
||
x_google_ignoreList: this.ignoreList ? [sourceIndex] : undefined,
|
||
};
|
||
}
|
||
|
||
generateMap(options) {
|
||
return new SourceMap(this.generateDecodedMap(options));
|
||
}
|
||
|
||
_ensureindentStr() {
|
||
if (this.indentStr === undefined) {
|
||
this.indentStr = guessIndent(this.original);
|
||
}
|
||
}
|
||
|
||
_getRawIndentString() {
|
||
this._ensureindentStr();
|
||
return this.indentStr;
|
||
}
|
||
|
||
getIndentString() {
|
||
this._ensureindentStr();
|
||
return this.indentStr === null ? '\t' : this.indentStr;
|
||
}
|
||
|
||
indent(indentStr, options) {
|
||
const pattern = /^[^\r\n]/gm;
|
||
|
||
if (isObject(indentStr)) {
|
||
options = indentStr;
|
||
indentStr = undefined;
|
||
}
|
||
|
||
if (indentStr === undefined) {
|
||
this._ensureindentStr();
|
||
indentStr = this.indentStr || '\t';
|
||
}
|
||
|
||
if (indentStr === '') return this; // noop
|
||
|
||
options = options || {};
|
||
|
||
// Process exclusion ranges
|
||
const isExcluded = {};
|
||
|
||
if (options.exclude) {
|
||
const exclusions =
|
||
typeof options.exclude[0] === 'number' ? [options.exclude] : options.exclude;
|
||
exclusions.forEach((exclusion) => {
|
||
for (let i = exclusion[0]; i < exclusion[1]; i += 1) {
|
||
isExcluded[i] = true;
|
||
}
|
||
});
|
||
}
|
||
|
||
let shouldIndentNextCharacter = options.indentStart !== false;
|
||
const replacer = (match) => {
|
||
if (shouldIndentNextCharacter) return `${indentStr}${match}`;
|
||
shouldIndentNextCharacter = true;
|
||
return match;
|
||
};
|
||
|
||
this.intro = this.intro.replace(pattern, replacer);
|
||
|
||
let charIndex = 0;
|
||
let chunk = this.firstChunk;
|
||
|
||
while (chunk) {
|
||
const end = chunk.end;
|
||
|
||
if (chunk.edited) {
|
||
if (!isExcluded[charIndex]) {
|
||
chunk.content = chunk.content.replace(pattern, replacer);
|
||
|
||
if (chunk.content.length) {
|
||
shouldIndentNextCharacter = chunk.content[chunk.content.length - 1] === '\n';
|
||
}
|
||
}
|
||
} else {
|
||
charIndex = chunk.start;
|
||
|
||
while (charIndex < end) {
|
||
if (!isExcluded[charIndex]) {
|
||
const char = this.original[charIndex];
|
||
|
||
if (char === '\n') {
|
||
shouldIndentNextCharacter = true;
|
||
} else if (char !== '\r' && shouldIndentNextCharacter) {
|
||
shouldIndentNextCharacter = false;
|
||
|
||
if (charIndex === chunk.start) {
|
||
chunk.prependRight(indentStr);
|
||
} else {
|
||
this._splitChunk(chunk, charIndex);
|
||
chunk = chunk.next;
|
||
chunk.prependRight(indentStr);
|
||
}
|
||
}
|
||
}
|
||
|
||
charIndex += 1;
|
||
}
|
||
}
|
||
|
||
charIndex = chunk.end;
|
||
chunk = chunk.next;
|
||
}
|
||
|
||
this.outro = this.outro.replace(pattern, replacer);
|
||
|
||
return this;
|
||
}
|
||
|
||
insert() {
|
||
throw new Error(
|
||
'magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)',
|
||
);
|
||
}
|
||
|
||
insertLeft(index, content) {
|
||
if (!warned.insertLeft) {
|
||
console.warn(
|
||
'magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead',
|
||
);
|
||
warned.insertLeft = true;
|
||
}
|
||
|
||
return this.appendLeft(index, content);
|
||
}
|
||
|
||
insertRight(index, content) {
|
||
if (!warned.insertRight) {
|
||
console.warn(
|
||
'magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead',
|
||
);
|
||
warned.insertRight = true;
|
||
}
|
||
|
||
return this.prependRight(index, content);
|
||
}
|
||
|
||
move(start, end, index) {
|
||
start = start + this.offset;
|
||
end = end + this.offset;
|
||
index = index + this.offset;
|
||
|
||
if (index >= start && index <= end) throw new Error('Cannot move a selection inside itself');
|
||
|
||
this._split(start);
|
||
this._split(end);
|
||
this._split(index);
|
||
|
||
const first = this.byStart[start];
|
||
const last = this.byEnd[end];
|
||
|
||
const oldLeft = first.previous;
|
||
const oldRight = last.next;
|
||
|
||
const newRight = this.byStart[index];
|
||
if (!newRight && last === this.lastChunk) return this;
|
||
const newLeft = newRight ? newRight.previous : this.lastChunk;
|
||
|
||
if (oldLeft) oldLeft.next = oldRight;
|
||
if (oldRight) oldRight.previous = oldLeft;
|
||
|
||
if (newLeft) newLeft.next = first;
|
||
if (newRight) newRight.previous = last;
|
||
|
||
if (!first.previous) this.firstChunk = last.next;
|
||
if (!last.next) {
|
||
this.lastChunk = first.previous;
|
||
this.lastChunk.next = null;
|
||
}
|
||
|
||
first.previous = newLeft;
|
||
last.next = newRight || null;
|
||
|
||
if (!newLeft) this.firstChunk = first;
|
||
if (!newRight) this.lastChunk = last;
|
||
return this;
|
||
}
|
||
|
||
overwrite(start, end, content, options) {
|
||
options = options || {};
|
||
return this.update(start, end, content, { ...options, overwrite: !options.contentOnly });
|
||
}
|
||
|
||
update(start, end, content, options) {
|
||
start = start + this.offset;
|
||
end = end + this.offset;
|
||
|
||
if (typeof content !== 'string') throw new TypeError('replacement content must be a string');
|
||
|
||
if (this.original.length !== 0) {
|
||
while (start < 0) start += this.original.length;
|
||
while (end < 0) end += this.original.length;
|
||
}
|
||
|
||
if (end > this.original.length) throw new Error('end is out of bounds');
|
||
if (start === end)
|
||
throw new Error(
|
||
'Cannot overwrite a zero-length range – use appendLeft or prependRight instead',
|
||
);
|
||
|
||
this._split(start);
|
||
this._split(end);
|
||
|
||
if (options === true) {
|
||
if (!warned.storeName) {
|
||
console.warn(
|
||
'The final argument to magicString.overwrite(...) should be an options object. See https://github.com/rich-harris/magic-string',
|
||
);
|
||
warned.storeName = true;
|
||
}
|
||
|
||
options = { storeName: true };
|
||
}
|
||
const storeName = options !== undefined ? options.storeName : false;
|
||
const overwrite = options !== undefined ? options.overwrite : false;
|
||
|
||
if (storeName) {
|
||
const original = this.original.slice(start, end);
|
||
Object.defineProperty(this.storedNames, original, {
|
||
writable: true,
|
||
value: true,
|
||
enumerable: true,
|
||
});
|
||
}
|
||
|
||
const first = this.byStart[start];
|
||
const last = this.byEnd[end];
|
||
|
||
if (first) {
|
||
let chunk = first;
|
||
while (chunk !== last) {
|
||
if (chunk.next !== this.byStart[chunk.end]) {
|
||
throw new Error('Cannot overwrite across a split point');
|
||
}
|
||
chunk = chunk.next;
|
||
chunk.edit('', false);
|
||
}
|
||
|
||
first.edit(content, storeName, !overwrite);
|
||
} else {
|
||
// must be inserting at the end
|
||
const newChunk = new Chunk(start, end, '').edit(content, storeName);
|
||
|
||
// TODO last chunk in the array may not be the last chunk, if it's moved...
|
||
last.next = newChunk;
|
||
newChunk.previous = last;
|
||
}
|
||
return this;
|
||
}
|
||
|
||
prepend(content) {
|
||
if (typeof content !== 'string') throw new TypeError('outro content must be a string');
|
||
|
||
this.intro = content + this.intro;
|
||
return this;
|
||
}
|
||
|
||
prependLeft(index, content) {
|
||
index = index + this.offset;
|
||
|
||
if (typeof content !== 'string') throw new TypeError('inserted content must be a string');
|
||
|
||
this._split(index);
|
||
|
||
const chunk = this.byEnd[index];
|
||
|
||
if (chunk) {
|
||
chunk.prependLeft(content);
|
||
} else {
|
||
this.intro = content + this.intro;
|
||
}
|
||
return this;
|
||
}
|
||
|
||
prependRight(index, content) {
|
||
index = index + this.offset;
|
||
|
||
if (typeof content !== 'string') throw new TypeError('inserted content must be a string');
|
||
|
||
this._split(index);
|
||
|
||
const chunk = this.byStart[index];
|
||
|
||
if (chunk) {
|
||
chunk.prependRight(content);
|
||
} else {
|
||
this.outro = content + this.outro;
|
||
}
|
||
return this;
|
||
}
|
||
|
||
remove(start, end) {
|
||
start = start + this.offset;
|
||
end = end + this.offset;
|
||
|
||
if (this.original.length !== 0) {
|
||
while (start < 0) start += this.original.length;
|
||
while (end < 0) end += this.original.length;
|
||
}
|
||
|
||
if (start === end) return this;
|
||
|
||
if (start < 0 || end > this.original.length) throw new Error('Character is out of bounds');
|
||
if (start > end) throw new Error('end must be greater than start');
|
||
|
||
this._split(start);
|
||
this._split(end);
|
||
|
||
let chunk = this.byStart[start];
|
||
|
||
while (chunk) {
|
||
chunk.intro = '';
|
||
chunk.outro = '';
|
||
chunk.edit('');
|
||
|
||
chunk = end > chunk.end ? this.byStart[chunk.end] : null;
|
||
}
|
||
return this;
|
||
}
|
||
|
||
reset(start, end) {
|
||
start = start + this.offset;
|
||
end = end + this.offset;
|
||
|
||
if (this.original.length !== 0) {
|
||
while (start < 0) start += this.original.length;
|
||
while (end < 0) end += this.original.length;
|
||
}
|
||
|
||
if (start === end) return this;
|
||
|
||
if (start < 0 || end > this.original.length) throw new Error('Character is out of bounds');
|
||
if (start > end) throw new Error('end must be greater than start');
|
||
|
||
this._split(start);
|
||
this._split(end);
|
||
|
||
let chunk = this.byStart[start];
|
||
|
||
while (chunk) {
|
||
chunk.reset();
|
||
|
||
chunk = end > chunk.end ? this.byStart[chunk.end] : null;
|
||
}
|
||
return this;
|
||
}
|
||
|
||
lastChar() {
|
||
if (this.outro.length) return this.outro[this.outro.length - 1];
|
||
let chunk = this.lastChunk;
|
||
do {
|
||
if (chunk.outro.length) return chunk.outro[chunk.outro.length - 1];
|
||
if (chunk.content.length) return chunk.content[chunk.content.length - 1];
|
||
if (chunk.intro.length) return chunk.intro[chunk.intro.length - 1];
|
||
} while ((chunk = chunk.previous));
|
||
if (this.intro.length) return this.intro[this.intro.length - 1];
|
||
return '';
|
||
}
|
||
|
||
lastLine() {
|
||
let lineIndex = this.outro.lastIndexOf(n);
|
||
if (lineIndex !== -1) return this.outro.substr(lineIndex + 1);
|
||
let lineStr = this.outro;
|
||
let chunk = this.lastChunk;
|
||
do {
|
||
if (chunk.outro.length > 0) {
|
||
lineIndex = chunk.outro.lastIndexOf(n);
|
||
if (lineIndex !== -1) return chunk.outro.substr(lineIndex + 1) + lineStr;
|
||
lineStr = chunk.outro + lineStr;
|
||
}
|
||
|
||
if (chunk.content.length > 0) {
|
||
lineIndex = chunk.content.lastIndexOf(n);
|
||
if (lineIndex !== -1) return chunk.content.substr(lineIndex + 1) + lineStr;
|
||
lineStr = chunk.content + lineStr;
|
||
}
|
||
|
||
if (chunk.intro.length > 0) {
|
||
lineIndex = chunk.intro.lastIndexOf(n);
|
||
if (lineIndex !== -1) return chunk.intro.substr(lineIndex + 1) + lineStr;
|
||
lineStr = chunk.intro + lineStr;
|
||
}
|
||
} while ((chunk = chunk.previous));
|
||
lineIndex = this.intro.lastIndexOf(n);
|
||
if (lineIndex !== -1) return this.intro.substr(lineIndex + 1) + lineStr;
|
||
return this.intro + lineStr;
|
||
}
|
||
|
||
slice(start = 0, end = this.original.length - this.offset) {
|
||
start = start + this.offset;
|
||
end = end + this.offset;
|
||
|
||
if (this.original.length !== 0) {
|
||
while (start < 0) start += this.original.length;
|
||
while (end < 0) end += this.original.length;
|
||
}
|
||
|
||
let result = '';
|
||
|
||
// find start chunk
|
||
let chunk = this.firstChunk;
|
||
while (chunk && (chunk.start > start || chunk.end <= start)) {
|
||
// found end chunk before start
|
||
if (chunk.start < end && chunk.end >= end) {
|
||
return result;
|
||
}
|
||
|
||
chunk = chunk.next;
|
||
}
|
||
|
||
if (chunk && chunk.edited && chunk.start !== start)
|
||
throw new Error(`Cannot use replaced character ${start} as slice start anchor.`);
|
||
|
||
const startChunk = chunk;
|
||
while (chunk) {
|
||
if (chunk.intro && (startChunk !== chunk || chunk.start === start)) {
|
||
result += chunk.intro;
|
||
}
|
||
|
||
const containsEnd = chunk.start < end && chunk.end >= end;
|
||
if (containsEnd && chunk.edited && chunk.end !== end)
|
||
throw new Error(`Cannot use replaced character ${end} as slice end anchor.`);
|
||
|
||
const sliceStart = startChunk === chunk ? start - chunk.start : 0;
|
||
const sliceEnd = containsEnd ? chunk.content.length + end - chunk.end : chunk.content.length;
|
||
|
||
result += chunk.content.slice(sliceStart, sliceEnd);
|
||
|
||
if (chunk.outro && (!containsEnd || chunk.end === end)) {
|
||
result += chunk.outro;
|
||
}
|
||
|
||
if (containsEnd) {
|
||
break;
|
||
}
|
||
|
||
chunk = chunk.next;
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
// TODO deprecate this? not really very useful
|
||
snip(start, end) {
|
||
const clone = this.clone();
|
||
clone.remove(0, start);
|
||
clone.remove(end, clone.original.length);
|
||
|
||
return clone;
|
||
}
|
||
|
||
_split(index) {
|
||
if (this.byStart[index] || this.byEnd[index]) return;
|
||
|
||
let chunk = this.lastSearchedChunk;
|
||
let previousChunk = chunk;
|
||
const searchForward = index > chunk.end;
|
||
|
||
while (chunk) {
|
||
if (chunk.contains(index)) return this._splitChunk(chunk, index);
|
||
|
||
chunk = searchForward ? this.byStart[chunk.end] : this.byEnd[chunk.start];
|
||
|
||
// Prevent infinite loop (e.g. via empty chunks, where start === end)
|
||
if (chunk === previousChunk) return;
|
||
|
||
previousChunk = chunk;
|
||
}
|
||
}
|
||
|
||
_splitChunk(chunk, index) {
|
||
if (chunk.edited && chunk.content.length) {
|
||
// zero-length edited chunks are a special case (overlapping replacements)
|
||
const loc = getLocator(this.original)(index);
|
||
throw new Error(
|
||
`Cannot split a chunk that has already been edited (${loc.line}:${loc.column} – "${chunk.original}")`,
|
||
);
|
||
}
|
||
|
||
const newChunk = chunk.split(index);
|
||
|
||
this.byEnd[index] = chunk;
|
||
this.byStart[index] = newChunk;
|
||
this.byEnd[newChunk.end] = newChunk;
|
||
|
||
if (chunk === this.lastChunk) this.lastChunk = newChunk;
|
||
|
||
this.lastSearchedChunk = chunk;
|
||
return true;
|
||
}
|
||
|
||
toString() {
|
||
let str = this.intro;
|
||
|
||
let chunk = this.firstChunk;
|
||
while (chunk) {
|
||
str += chunk.toString();
|
||
chunk = chunk.next;
|
||
}
|
||
|
||
return str + this.outro;
|
||
}
|
||
|
||
isEmpty() {
|
||
let chunk = this.firstChunk;
|
||
do {
|
||
if (
|
||
(chunk.intro.length && chunk.intro.trim()) ||
|
||
(chunk.content.length && chunk.content.trim()) ||
|
||
(chunk.outro.length && chunk.outro.trim())
|
||
)
|
||
return false;
|
||
} while ((chunk = chunk.next));
|
||
return true;
|
||
}
|
||
|
||
length() {
|
||
let chunk = this.firstChunk;
|
||
let length = 0;
|
||
do {
|
||
length += chunk.intro.length + chunk.content.length + chunk.outro.length;
|
||
} while ((chunk = chunk.next));
|
||
return length;
|
||
}
|
||
|
||
trimLines() {
|
||
return this.trim('[\\r\\n]');
|
||
}
|
||
|
||
trim(charType) {
|
||
return this.trimStart(charType).trimEnd(charType);
|
||
}
|
||
|
||
trimEndAborted(charType) {
|
||
const rx = new RegExp((charType || '\\s') + '+$');
|
||
|
||
this.outro = this.outro.replace(rx, '');
|
||
if (this.outro.length) return true;
|
||
|
||
let chunk = this.lastChunk;
|
||
|
||
do {
|
||
const end = chunk.end;
|
||
const aborted = chunk.trimEnd(rx);
|
||
|
||
// if chunk was trimmed, we have a new lastChunk
|
||
if (chunk.end !== end) {
|
||
if (this.lastChunk === chunk) {
|
||
this.lastChunk = chunk.next;
|
||
}
|
||
|
||
this.byEnd[chunk.end] = chunk;
|
||
this.byStart[chunk.next.start] = chunk.next;
|
||
this.byEnd[chunk.next.end] = chunk.next;
|
||
}
|
||
|
||
if (aborted) return true;
|
||
chunk = chunk.previous;
|
||
} while (chunk);
|
||
|
||
return false;
|
||
}
|
||
|
||
trimEnd(charType) {
|
||
this.trimEndAborted(charType);
|
||
return this;
|
||
}
|
||
trimStartAborted(charType) {
|
||
const rx = new RegExp('^' + (charType || '\\s') + '+');
|
||
|
||
this.intro = this.intro.replace(rx, '');
|
||
if (this.intro.length) return true;
|
||
|
||
let chunk = this.firstChunk;
|
||
|
||
do {
|
||
const end = chunk.end;
|
||
const aborted = chunk.trimStart(rx);
|
||
|
||
if (chunk.end !== end) {
|
||
// special case...
|
||
if (chunk === this.lastChunk) this.lastChunk = chunk.next;
|
||
|
||
this.byEnd[chunk.end] = chunk;
|
||
this.byStart[chunk.next.start] = chunk.next;
|
||
this.byEnd[chunk.next.end] = chunk.next;
|
||
}
|
||
|
||
if (aborted) return true;
|
||
chunk = chunk.next;
|
||
} while (chunk);
|
||
|
||
return false;
|
||
}
|
||
|
||
trimStart(charType) {
|
||
this.trimStartAborted(charType);
|
||
return this;
|
||
}
|
||
|
||
hasChanged() {
|
||
return this.original !== this.toString();
|
||
}
|
||
|
||
_replaceRegexp(searchValue, replacement) {
|
||
function getReplacement(match, str) {
|
||
if (typeof replacement === 'string') {
|
||
return replacement.replace(/\$(\$|&|\d+)/g, (_, i) => {
|
||
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace#specifying_a_string_as_a_parameter
|
||
if (i === '$') return '$';
|
||
if (i === '&') return match[0];
|
||
const num = +i;
|
||
if (num < match.length) return match[+i];
|
||
return `$${i}`;
|
||
});
|
||
} else {
|
||
return replacement(...match, match.index, str, match.groups);
|
||
}
|
||
}
|
||
function matchAll(re, str) {
|
||
let match;
|
||
const matches = [];
|
||
while ((match = re.exec(str))) {
|
||
matches.push(match);
|
||
}
|
||
return matches;
|
||
}
|
||
if (searchValue.global) {
|
||
const matches = matchAll(searchValue, this.original);
|
||
matches.forEach((match) => {
|
||
if (match.index != null) {
|
||
const replacement = getReplacement(match, this.original);
|
||
if (replacement !== match[0]) {
|
||
this.overwrite(match.index, match.index + match[0].length, replacement);
|
||
}
|
||
}
|
||
});
|
||
} else {
|
||
const match = this.original.match(searchValue);
|
||
if (match && match.index != null) {
|
||
const replacement = getReplacement(match, this.original);
|
||
if (replacement !== match[0]) {
|
||
this.overwrite(match.index, match.index + match[0].length, replacement);
|
||
}
|
||
}
|
||
}
|
||
return this;
|
||
}
|
||
|
||
_replaceString(string, replacement) {
|
||
const { original } = this;
|
||
const index = original.indexOf(string);
|
||
|
||
if (index !== -1) {
|
||
if (typeof replacement === 'function') {
|
||
replacement = replacement(string, index, original);
|
||
}
|
||
if (string !== replacement) {
|
||
this.overwrite(index, index + string.length, replacement);
|
||
}
|
||
}
|
||
|
||
return this;
|
||
}
|
||
|
||
replace(searchValue, replacement) {
|
||
if (typeof searchValue === 'string') {
|
||
return this._replaceString(searchValue, replacement);
|
||
}
|
||
|
||
return this._replaceRegexp(searchValue, replacement);
|
||
}
|
||
|
||
_replaceAllString(string, replacement) {
|
||
const { original } = this;
|
||
const stringLength = string.length;
|
||
for (
|
||
let index = original.indexOf(string);
|
||
index !== -1;
|
||
index = original.indexOf(string, index + stringLength)
|
||
) {
|
||
const previous = original.slice(index, index + stringLength);
|
||
let _replacement = replacement;
|
||
if (typeof replacement === 'function') {
|
||
_replacement = replacement(previous, index, original);
|
||
}
|
||
if (previous !== _replacement) this.overwrite(index, index + stringLength, _replacement);
|
||
}
|
||
|
||
return this;
|
||
}
|
||
|
||
replaceAll(searchValue, replacement) {
|
||
if (typeof searchValue === 'string') {
|
||
return this._replaceAllString(searchValue, replacement);
|
||
}
|
||
|
||
if (!searchValue.global) {
|
||
throw new TypeError(
|
||
'MagicString.prototype.replaceAll called with a non-global RegExp argument',
|
||
);
|
||
}
|
||
|
||
return this._replaceRegexp(searchValue, replacement);
|
||
}
|
||
}
|
||
|
||
const hasOwnProp = Object.prototype.hasOwnProperty;
|
||
|
||
class Bundle {
|
||
constructor(options = {}) {
|
||
this.intro = options.intro || '';
|
||
this.separator = options.separator !== undefined ? options.separator : '\n';
|
||
this.sources = [];
|
||
this.uniqueSources = [];
|
||
this.uniqueSourceIndexByFilename = {};
|
||
}
|
||
|
||
addSource(source) {
|
||
if (source instanceof MagicString) {
|
||
return this.addSource({
|
||
content: source,
|
||
filename: source.filename,
|
||
separator: this.separator,
|
||
});
|
||
}
|
||
|
||
if (!isObject(source) || !source.content) {
|
||
throw new Error(
|
||
'bundle.addSource() takes an object with a `content` property, which should be an instance of MagicString, and an optional `filename`',
|
||
);
|
||
}
|
||
|
||
['filename', 'ignoreList', 'indentExclusionRanges', 'separator'].forEach((option) => {
|
||
if (!hasOwnProp.call(source, option)) source[option] = source.content[option];
|
||
});
|
||
|
||
if (source.separator === undefined) {
|
||
// TODO there's a bunch of this sort of thing, needs cleaning up
|
||
source.separator = this.separator;
|
||
}
|
||
|
||
if (source.filename) {
|
||
if (!hasOwnProp.call(this.uniqueSourceIndexByFilename, source.filename)) {
|
||
this.uniqueSourceIndexByFilename[source.filename] = this.uniqueSources.length;
|
||
this.uniqueSources.push({ filename: source.filename, content: source.content.original });
|
||
} else {
|
||
const uniqueSource = this.uniqueSources[this.uniqueSourceIndexByFilename[source.filename]];
|
||
if (source.content.original !== uniqueSource.content) {
|
||
throw new Error(`Illegal source: same filename (${source.filename}), different contents`);
|
||
}
|
||
}
|
||
}
|
||
|
||
this.sources.push(source);
|
||
return this;
|
||
}
|
||
|
||
append(str, options) {
|
||
this.addSource({
|
||
content: new MagicString(str),
|
||
separator: (options && options.separator) || '',
|
||
});
|
||
|
||
return this;
|
||
}
|
||
|
||
clone() {
|
||
const bundle = new Bundle({
|
||
intro: this.intro,
|
||
separator: this.separator,
|
||
});
|
||
|
||
this.sources.forEach((source) => {
|
||
bundle.addSource({
|
||
filename: source.filename,
|
||
content: source.content.clone(),
|
||
separator: source.separator,
|
||
});
|
||
});
|
||
|
||
return bundle;
|
||
}
|
||
|
||
generateDecodedMap(options = {}) {
|
||
const names = [];
|
||
let x_google_ignoreList = undefined;
|
||
this.sources.forEach((source) => {
|
||
Object.keys(source.content.storedNames).forEach((name) => {
|
||
if (!~names.indexOf(name)) names.push(name);
|
||
});
|
||
});
|
||
|
||
const mappings = new Mappings(options.hires);
|
||
|
||
if (this.intro) {
|
||
mappings.advance(this.intro);
|
||
}
|
||
|
||
this.sources.forEach((source, i) => {
|
||
if (i > 0) {
|
||
mappings.advance(this.separator);
|
||
}
|
||
|
||
const sourceIndex = source.filename ? this.uniqueSourceIndexByFilename[source.filename] : -1;
|
||
const magicString = source.content;
|
||
const locate = getLocator(magicString.original);
|
||
|
||
if (magicString.intro) {
|
||
mappings.advance(magicString.intro);
|
||
}
|
||
|
||
magicString.firstChunk.eachNext((chunk) => {
|
||
const loc = locate(chunk.start);
|
||
|
||
if (chunk.intro.length) mappings.advance(chunk.intro);
|
||
|
||
if (source.filename) {
|
||
if (chunk.edited) {
|
||
mappings.addEdit(
|
||
sourceIndex,
|
||
chunk.content,
|
||
loc,
|
||
chunk.storeName ? names.indexOf(chunk.original) : -1,
|
||
);
|
||
} else {
|
||
mappings.addUneditedChunk(
|
||
sourceIndex,
|
||
chunk,
|
||
magicString.original,
|
||
loc,
|
||
magicString.sourcemapLocations,
|
||
);
|
||
}
|
||
} else {
|
||
mappings.advance(chunk.content);
|
||
}
|
||
|
||
if (chunk.outro.length) mappings.advance(chunk.outro);
|
||
});
|
||
|
||
if (magicString.outro) {
|
||
mappings.advance(magicString.outro);
|
||
}
|
||
|
||
if (source.ignoreList && sourceIndex !== -1) {
|
||
if (x_google_ignoreList === undefined) {
|
||
x_google_ignoreList = [];
|
||
}
|
||
x_google_ignoreList.push(sourceIndex);
|
||
}
|
||
});
|
||
|
||
return {
|
||
file: options.file ? options.file.split(/[/\\]/).pop() : undefined,
|
||
sources: this.uniqueSources.map((source) => {
|
||
return options.file ? getRelativePath(options.file, source.filename) : source.filename;
|
||
}),
|
||
sourcesContent: this.uniqueSources.map((source) => {
|
||
return options.includeContent ? source.content : null;
|
||
}),
|
||
names,
|
||
mappings: mappings.raw,
|
||
x_google_ignoreList,
|
||
};
|
||
}
|
||
|
||
generateMap(options) {
|
||
return new SourceMap(this.generateDecodedMap(options));
|
||
}
|
||
|
||
getIndentString() {
|
||
const indentStringCounts = {};
|
||
|
||
this.sources.forEach((source) => {
|
||
const indentStr = source.content._getRawIndentString();
|
||
|
||
if (indentStr === null) return;
|
||
|
||
if (!indentStringCounts[indentStr]) indentStringCounts[indentStr] = 0;
|
||
indentStringCounts[indentStr] += 1;
|
||
});
|
||
|
||
return (
|
||
Object.keys(indentStringCounts).sort((a, b) => {
|
||
return indentStringCounts[a] - indentStringCounts[b];
|
||
})[0] || '\t'
|
||
);
|
||
}
|
||
|
||
indent(indentStr) {
|
||
if (!arguments.length) {
|
||
indentStr = this.getIndentString();
|
||
}
|
||
|
||
if (indentStr === '') return this; // noop
|
||
|
||
let trailingNewline = !this.intro || this.intro.slice(-1) === '\n';
|
||
|
||
this.sources.forEach((source, i) => {
|
||
const separator = source.separator !== undefined ? source.separator : this.separator;
|
||
const indentStart = trailingNewline || (i > 0 && /\r?\n$/.test(separator));
|
||
|
||
source.content.indent(indentStr, {
|
||
exclude: source.indentExclusionRanges,
|
||
indentStart, //: trailingNewline || /\r?\n$/.test( separator ) //true///\r?\n/.test( separator )
|
||
});
|
||
|
||
trailingNewline = source.content.lastChar() === '\n';
|
||
});
|
||
|
||
if (this.intro) {
|
||
this.intro =
|
||
indentStr +
|
||
this.intro.replace(/^[^\n]/gm, (match, index) => {
|
||
return index > 0 ? indentStr + match : match;
|
||
});
|
||
}
|
||
|
||
return this;
|
||
}
|
||
|
||
prepend(str) {
|
||
this.intro = str + this.intro;
|
||
return this;
|
||
}
|
||
|
||
toString() {
|
||
const body = this.sources
|
||
.map((source, i) => {
|
||
const separator = source.separator !== undefined ? source.separator : this.separator;
|
||
const str = (i > 0 ? separator : '') + source.content.toString();
|
||
|
||
return str;
|
||
})
|
||
.join('');
|
||
|
||
return this.intro + body;
|
||
}
|
||
|
||
isEmpty() {
|
||
if (this.intro.length && this.intro.trim()) return false;
|
||
if (this.sources.some((source) => !source.content.isEmpty())) return false;
|
||
return true;
|
||
}
|
||
|
||
length() {
|
||
return this.sources.reduce(
|
||
(length, source) => length + source.content.length(),
|
||
this.intro.length,
|
||
);
|
||
}
|
||
|
||
trimLines() {
|
||
return this.trim('[\\r\\n]');
|
||
}
|
||
|
||
trim(charType) {
|
||
return this.trimStart(charType).trimEnd(charType);
|
||
}
|
||
|
||
trimStart(charType) {
|
||
const rx = new RegExp('^' + (charType || '\\s') + '+');
|
||
this.intro = this.intro.replace(rx, '');
|
||
|
||
if (!this.intro) {
|
||
let source;
|
||
let i = 0;
|
||
|
||
do {
|
||
source = this.sources[i++];
|
||
if (!source) {
|
||
break;
|
||
}
|
||
} while (!source.content.trimStartAborted(charType));
|
||
}
|
||
|
||
return this;
|
||
}
|
||
|
||
trimEnd(charType) {
|
||
const rx = new RegExp((charType || '\\s') + '+$');
|
||
|
||
let source;
|
||
let i = this.sources.length - 1;
|
||
|
||
do {
|
||
source = this.sources[i--];
|
||
if (!source) {
|
||
this.intro = this.intro.replace(rx, '');
|
||
break;
|
||
}
|
||
} while (!source.content.trimEndAborted(charType));
|
||
|
||
return this;
|
||
}
|
||
}
|
||
|
||
export { Bundle, SourceMap, MagicString as default };
|
||
//# sourceMappingURL=magic-string.es.mjs.map
|